<template>
	<div class="icons">
		<swiper>
			<swiper-slide v-for="(page,index) of pages" :key="index">
				<div class="icon"
					v-for="item of page"
					:key="item.id"
					>
					<div class="icon-img">
						<img :src="item.imgUrl"
							class="icon-img-content"/>
					</div>
					<p class="icon-desc">{{item.desc}}</p>
				</div>
			</swiper-slide>
		</swiper>
	</div>
</template>

<script>
	//computed 计算属性，data在组件里面必须是函数function，return是真正的返回值
	export default {
		name:'HomeIcons',
		data(){
			return {
				iconList:[{
					id: '0001',
					imgUrl: 'http://img1.qunarzz.com/piao/fusion/1611/54/ace00878a52d9702.png',
					desc: '景点门票'
				},{
					id: '0002',
					imgUrl: 'http://img1.qunarzz.com/piao/fusion/1611/54/ace00878a52d9702.png',
					desc: '滑雪季'
				},{
					id: '0003',
					imgUrl: 'http://img1.qunarzz.com/piao/fusion/1611/54/ace00878a52d9702.png',
					desc: '泡温泉'
				},{
					id: '0004',
					imgUrl: 'http://img1.qunarzz.com/piao/fusion/1611/54/ace00878a52d9702.png',
					desc: '动植物园'
				},{
					id: '0005',
					imgUrl: 'http://img1.qunarzz.com/piao/fusion/1611/54/ace00878a52d9702.png',
					desc: '景点门票'
				},{
					id: '0006',
					imgUrl: 'http://img1.qunarzz.com/piao/fusion/1611/54/ace00878a52d9702.png',
					desc: '滑雪季'
				},{
					id: '0007',
					imgUrl: 'http://img1.qunarzz.com/piao/fusion/1611/54/ace00878a52d9702.png',
					desc: '泡温泉'
				},{
					id: '0008',
					imgUrl: 'http://img1.qunarzz.com/piao/fusion/1611/54/ace00878a52d9702.png',
					desc: '动植物园'
				},{
					id: '0009',
					imgUrl: 'http://img1.qunarzz.com/piao/fusion/1611/54/ace00878a52d9702.png',
					desc: '一日游'
				}]
			}
		},
		computed:{
			pages(){
				const pages = []
				this.iconList.forEach((item, index) => {
					const page = Math.floor(index/8)
					if(!pages[page]){
						pages[page] = []
					}
					pages[page].push(item)
				})
				return pages
			}
		}
	}
</script>

<style lang="stylus" scoped>
	@import '~styles/varibles.styl';
	@import '~styles/mixins.styl';
	.icons >>> .swiper-container{
		height: 0;
		padding-bottom: 50%;
		overflow: hidden;
	}
	.icon{
		position: relative;
		width: 25%;
		height: 0;
		float: left;
		padding-bottom: 25%;
		.icon-img{
			position: absolute;
			top: 0;
			left: 0;
			right: 0;
			bottom: .44rem;
			box-sizing: border-box;
			padding: 0.1rem;
			.icon-img-content{
				height: 100%;
				display: block;
				margin: 0 auto;
			}
		}
		.icon-desc{
			position: absolute;
			left: 0;
			right: 0;
			bottom: 0;
			height: .44rem;
			line-height: .44rem;
			color: $darkTextColor;
			text-align: center;
			ellipsis()
		}
	}
</style>